Isaac N. Arnold

Isaac Newton Arnold (November 30, 1815 – April 24, 1884) was an American attorney, politician, and biographer who made his career in Chicago. He served two terms in the United States House of Representatives (1860–1864) and in 1864 introduced the first resolution in Congress proposing a constitutional amendment to abolish slavery in the United States. After returning to Chicago in 1866, he practiced law and wrote biographies of Abraham Lincoln and Benedict Arnold. Provided by Wikipedia